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Human_evolution The pressures of human evolution could explain the apparent rise of disorders such as autoimmune diseases and autism, researchers say. Some adaptations may even help such ailments persist. Previous work in evolutionary medicine helped explain why disease is so prevalent and difficult to prevent. Because natural selection favors reproduction over health, biology evolves more slowly than culture, and pathogens evolve more quickly than humans.

Hidden but ongoing pressures of human evolution could explain the seeming rise of disorders such as autism, autoimmune diseases, and reproductive cancers. Some adaptations that once benefited humans may now be helping such ailments persist in spite of — or even because of — advancements in modern culture and medicine.

Peter Ellison, John Cowles Professor of Anthropology at Harvard University led a colloquium of presentations that described research suggesting that:

● Autism and schizophrenia may be associated with the overexpression of paternally or maternally derived genes and influences, a hypothesis advanced by Bernard Crespi of Simon Fraser University.

● Maternal and paternal genes engage in a subtle tug-of-war well into childhood, with consequences for childhood development, according to David Haig, George Putnam Professor of Organismic and Evolutionary Biology at Harvard.

● Humans may be susceptible to allergies, asthma, and autoimmune diseases because of increased hygiene, according to Kathleen Barnes of Johns Hopkins University. Without being exposed to intestinal worms and parasites, as our ancestors were, our immune systems are hypersensitive.

● Natural selection still influences our biology, despite advances in modern culture and medicine. Stearns found that natural selection favors heavier women and reduces the age at which a woman has her first child.

In the final presentation of the colloquium, researchers called for the integration of evolutionary perspectives into medical school curricula, to help future physicians consider health problems from an evolutionary perspective.

“We’re trying to design ways to educate physicians who will have a broader perspective and not think of the human body as a perfectly designed machine,” said Ellison. “Our biology is the result of many evolutionary tradeoffs, and understanding these histories and conflicts can really help the physician understand why we get sick and what we might do to stay healthy.”

“I think that the main take-home point is that evolution and medicine really do have things to say to each other, and some of these insights actually reduce suffering and save lives,” said Stearns.

Casey Kazan via Harvard University News


“Our biology is the result of many evolutionary tradeoffs, and understanding these histories and conflicts can really help the physician understand why we get sick and what we might do to stay healthy.”
Statements like the one above make one feel as if time hasn´t passed for "traditional medicine". For instance; the worldwide medical institutions insist that "cartilaginous tissue cannot be regenerated"; an untrue statement, since there are at least three persons in Chile who have regenerated kneecaps and intervertebral discs by using specific training and willpower to achieve these results. The aforementioned achievements indicate that, once understood, this huge device that is the human brain, can be used to solve any human problem, both physical and mental.

By looking at drug addiction from an evolutionary perspective, we may understand its underlying significance and evaluate its three-fold nature: biology, psychology, and social influences. In this investigation it is important to delve into the co-evolution of mammalian brains and ancient psychotropic plants. Gaining an understanding of the implications of ancient psychotropic substance use in altering mammalian brains will assist in assessing the causes and effects of addiction in a modern-day context. By exploring addiction in this manner, we may move towards more effective treatment early prevention, treating the root of the issue rather than the symptoms.

Prater M.D.
Biophysical Drug Rehabs

Natural relatives development charts may point toward the possibility for miscarriage earlier than it happens in the top gynecology hospitals in India. Humanizing nourishment and removing toxins before and all from beginning to end pregnancy may have long long-lasting benefits for children.

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